Free Online Tools for Students & Developers

Access 30+ professional tools to simplify your daily tasks. From academic calculators to developer utilities, we provide fast, secure, and user-friendly solutions for students, developers, and professionals.

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30+ Free Tools
100K+ Happy Users
4.9⭐ User Rating

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Browse Tools by Category

Find the perfect tool for your needs from our organized categories

🎓

Student Tools

5 tools
📊

CGPA Calculator

Calculate your Cumulative Grade Point Average with support for multiple semesters.

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📅

Attendance Calculator

Calculate your attendance percentage and track your class attendance.

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📈

Percentage Calculator

Calculate percentages and percentage increase/decrease instantly.

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💰

Simple Interest Calculator

Calculate simple interest, principal, rate, and time for financial planning.

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🔢

Number to Words

Convert numbers to English words for checks and documents.

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📝

Text Tools

7 tools
📝

Word Counter

Count words, characters, and estimate reading time for your text.

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🔤

Character Counter

Count characters with and without spaces for social media and SMS.

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🔤

Case Converter

Convert text between uppercase, lowercase, title case, and sentence case.

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🧹

Remove Extra Spaces

Clean up text by removing extra spaces, line breaks, and formatting issues.

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🔄

Text Reverser

Reverse text instantly for creative purposes and fun applications.

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📄

Lorem Ipsum Generator

Generate placeholder text for design mockups and testing purposes.

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⏱️

Reading Time Calculator

Calculate reading time for articles and content with multiple reading speeds.

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📄

PDF Tools

2 tools
🔢

Add PDF Page Numbers

Add page numbers to your PDF documents with customizable formatting.

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🔄

Rotate PDF Pages

Rotate PDF pages to correct orientation by 90, 180, or 270 degrees.

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💻

Developer Tools

8 tools
📋

JSON Formatter

Format, minify, and validate JSON data for API development.

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🌐

HTML Formatter

Format and minify HTML code with proper indentation and cleanup.

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🎨

CSS Minifier

Minify and optimize CSS code for faster website loading.

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⚡

JavaScript Minifier

Minify JavaScript code for production and performance optimization.

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🔐

Base64 Encoder

Encode and decode text and files to Base64 format.

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🔗

URL Encoder

Encode and decode URLs safely with special character handling.

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💻

Binary to Text

Convert binary code to readable text and vice versa.

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📟

Text to Binary

Convert text to binary code for encoding and learning purposes.

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🔐

Security Tools

3 tools
🔐

Password Generator

Create strong, secure passwords with customizable options.

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🛡️

Password Strength Checker

Analyze password security and get improvement suggestions.

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🆔

UUID Generator

Generate unique UUIDs for database keys and identification.

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🎨

Color Tools

4 tools
🎯

Color Picker

Advanced color picker with multiple formats and screen capture.

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🎨

HEX to RGB

Convert HEX color codes to RGB values with real-time preview.

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🌈

RGB to HEX

Convert RGB values to HEX color codes with interactive picker.

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📱

QR Code Generator

Create QR codes for URLs, text, WiFi, and more with customization.

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🔀

Generator Tools

4 tools
🎲

Random Number Generator

Generate random numbers within specified ranges for various uses.

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🔀

Random String Generator

Generate random strings with customizable length and character types.

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👤

Username Generator

Generate creative and unique usernames for social media and gaming.

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🔊

Text to Speech

Convert text to natural-sounding speech with multiple voices.

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Why Choose ToolMetric?

Discover what makes us the preferred choice for free online tools

🆓

Completely Free

All tools are 100% free with no hidden costs or subscriptions.

⚡

Lightning Fast

Instant results with optimized performance for quick tasks.

🔒

100% Secure

Your data never leaves your device. Complete privacy guaranteed.

📱

Mobile Friendly

Works perfectly on all devices - desktop, tablet, and mobile.

✍️

No Signup Required

Start using tools immediately without registration.

🎯

Easy to Use

Clean, intuitive interfaces designed for everyone.